Chaos Corona for 3ds Max > [Max] Corona Goodies - User Contributions
AgX in Corona
burnin:
^^Yes... more on & in-depth.
sebastian___:
--- Quote from: piotrus3333 on 2023-09-15, 11:40:25 ---AgX Appearance Punchy is just one of demo looks supplied by the author. you can make it as contrasty as you need it to be.
--- End quote ---
I found out about Agx a few weeks ago and I tried to modify or make new looks to better approximate the contrast of the default sRGB. I tried it in blender, even though I don't use blender but it was easier to test it there.
And the more I increased the contrast, the more I feel like I was "breaking" the Agx. But at the same time there are many ways you can manipulate the image in OCIO so maybe I did it wrong ?
- !<Look>
name: Punchy
process_space: AgX Base
description: .......
transform: !<CDLTransform> { power: [ 1.3, 1.3, 1.3 ], sat: 1.2 }
- !<Look>
name: Punchy Full
process_space: AgX Base
description: Trying to increase the contrast, this one seems ok
transform: !<CDLTransform> { power: [ 1.35, 1.35, 1.35 ], sat: 1.4 }
punchy double : this one is more contrasty but in certain situation maybe negates a bit of the AGX advantages ??
- !<Look>
name: Punchy Double
process_space: AgX Base
transform: !<GroupTransform>
children:
- !<CDLTransform> { power: [ 1.35, 1.35, 1.35 ], sat: 1.2 }
- !<CDLTransform> { slope: [1.1, 1.1, 1.1], power: [ 1.1, 1.1, 1.1 ], sat: 1.2 }
- !<ExponentTransform> {value: [1.1, 1.1, 1.1, 1]}
piotrus3333:
--- Quote from: sebastian___ on 2023-10-11, 00:08:43 ---
--- Quote from: piotrus3333 on 2023-09-15, 11:40:25 ---AgX Appearance Punchy is just one of demo looks supplied by the author. you can make it as contrasty as you need it to be.
--- End quote ---
I found out about Agx a few weeks ago and I tried to modify or make new looks to better approximate the contrast of the default sRGB. I tried it in blender, even though I don't use blender but it was easier to test it there.
And the more I increased the contrast, the more I feel like I was "breaking" the Agx. But at the same time there are many ways you can manipulate the image in OCIO so maybe I did it wrong ?
- !<Look>
name: Punchy
process_space: AgX Base
description: .......
transform: !<CDLTransform> { power: [ 1.3, 1.3, 1.3 ], sat: 1.2 }
- !<Look>
name: Punchy Full
process_space: AgX Base
description: Trying to increase the contrast, this one seems ok
transform: !<CDLTransform> { power: [ 1.35, 1.35, 1.35 ], sat: 1.4 }
punchy double : this one is more contrasty but in certain situation maybe negates a bit of the AGX advantages ??
- !<Look>
name: Punchy Double
process_space: AgX Base
transform: !<GroupTransform>
children:
- !<CDLTransform> { power: [ 1.35, 1.35, 1.35 ], sat: 1.2 }
- !<CDLTransform> { slope: [1.1, 1.1, 1.1], power: [ 1.1, 1.1, 1.1 ], sat: 1.2 }
- !<ExponentTransform> {value: [1.1, 1.1, 1.1, 1]}
--- End quote ---
- !<ColorSpace>
name: mP aces contrast
family: Imagery
equalitygroup: ""
bitdepth: unknown
description: mP aces contrast
isdata: false
allocation: uniform
from_scene_reference: !<GroupTransform>
children:
- !<ColorSpaceTransform> {src: Linear BT.709, dst: AgX Log (Kraken)}
- !<FileTransform> {src: AgX_Default_Contrast.spi1d}
- !<FileTransform> {src: mP_aces_contrast_2.3dl}
lut would be a better way to add your look. this is simple way to do that (with just additional lut on top). one spi1d lut would be more precise.
joelRVC:
Hi. You could try this https://github.com/EaryChow/AgX
It is a version of AgX that has some additions: Includes and handles wide color space gamuts, preserves hue better across the range of intensities, has contrast looks made specifically for AgX
lupaz:
Thank you Piotrus.
I like Kraken.
What's good about ACESOT that this one doesn't seem to help with is with highlights and the color shift in the hue of highlight gradients.
Good to have though.
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